Ontologies
ENVO
Environment Ontology (ENVO)
OWL
Last submission date February 6, 2025
ID http://purl.obolibrary.org/obo/ENVO_01001397
http://purl.obolibrary.org/obo/ENVO_01001397
https://agroportal.lirmm.fr/ontologies/ENVO/ENVO_01001397
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Preferred name

ultisol

Synonyms
red clay soil
Definitions
The word "ultisol" is derived from "ultimate", because ultisols were seen as the ultimate product of continuous weathering of minerals in a humid, temperate climate without new soil formation via glaciation. A soil which has high mineral content and which contain no calcareous material, have less than 10% weatherable minerals its surface layer, and have less than 35% base saturation throughout its volume.
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